Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing my new design;

FIG. 2 is a front view of the design of FIG. 1, shown with additional unclaimed elements to further illustrate environmental structure; and,

FIG. 3 is another front view of the design of FIG. 1, shown with additional unclaimed elements to further illustrate environmental structure.

The broken lines showing a display screen or portion thereof, text, and other elements are for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 